APA
W. Brian Howard, . (1989). Stain tecnology. U.S.A: Williams & Wilkins.
Chicago
W. Brian Howard, . 1989. Stain tecnology. U.S.A: Williams & Wilkins.
Harvard
W. Brian Howard, . (1989). Stain tecnology. U.S.A: Williams & Wilkins.
MLA
W. Brian Howard, . Stain tecnology. U.S.A: Williams & Wilkins. 1989.